At noon a private plane left austin for los angeles, 2100km away, flying at 500km/h. one hour later a jet left los angeles for austin at 700km/h. at what time did they pass each other?

What properties allow transformation to be used as a problem solving tool

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.